Round|Lab Grown|IGI

1.01ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG736506650

Shape and cutting style on the report: Round brilliant

Certificate IGI LG736506650

Diamond specifications and retailer prices

From £96 GBP
As of November 1, 2026
Save £898 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £994 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG736506650 or 736506650. Listed at 13 retailers as of November 1, 2026, with prices from £96 to £994, a £898 spread on the same certified stone. MOH London lists it at £994. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG736506650
Dimensions6.45 × 6.49 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.45 mm6.49 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG736506650
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £994 GBP|Low: £96 GBP|High: £1,142 GBP|Avg: £341 GBP|-0.6%
MOH London
Retailer 2
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November 3, 2026
Retailer 12£96 GBP
Retailer 11£111 GBP
Retailer 5£119 GBP
Retailer 3£143 GBP
Retailer 2£198 GBP
Retailer 15£202 GBP
Retailer 13£213 GBP
Retailer 16£226 GBP
Retailer 9£235 GBP
Retailer 14£302 GBP
Retailer 7£340 GBP
Retailer 4£383 GBP
Retailer 10£404 GBP
Retailer 6£548 GBP
Retailer 8£594 GBP
MOH London£994 GBP

9 data points across 16 retailers

13 retailers£96 GBP to £994 GBP

A
Cheapest Retailer
-
£96 GBP
A
Retailer 2
-
£111 GBP
View
A
Retailer 3
-
£119 GBP
View
A
Retailer 4
-
£143 GBP
View
A
Retailer 5
-
£198 GBP
View
A
Retailer 6
-
£202 GBP
View
Retailer 7
-
£213 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£226 GBP
View
A
Retailer 9
-
£235 GBP
View
B+
Retailer 10
-
£302 GBP
View
B+
Retailer 11
-
£383 GBP
View
B
Retailer 12
-
£404 GBP
View
Most Expensive
B
MOH London
LG736506650 · Nov 2
£994 GBP
View
12 more retailers have this diamond
Prices start from £96 GBPSave up to £898 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.01ct Round
£96 GBP